MATTERHORN MEN'S CST COMPOSITE SAFETY TOE WATERPROOF 10'' BOOTS Matterhorn CST safety toe construction features composite resin molded toe box that is tested to pro tect against a 75lb/34kg weight drop be ANSI and OSHA standards. Non-sparking with impact protection equaling the highest ANSI-75 rating! Insulated for year round wear with C200 gram Thinsulate. 100 % Waterproof GORE-TEX fabric bootie Best Defense all-leather footwear. Engineered and constructed to meet your requirements for boots that are rugged, lightweight, waterproof, and comfortable under